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How to list all the available keyspaces in Cassandra?
...yspaces;
If you want to check the keyspace in the system schema using the SQL query
below is the command.
SELECT * FROM system_schema.keyspaces;
Hope this will answer your question...
You can go through the explanation on understanding and creating the keyspaces from below resources.
Docum...
Version of SQLite used in Android?
What is the version of SQLite used in Android?
5 Answers
5
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start MySQL server from command line on Mac OS Lion
I installed mySQL for my Mac. Beside starting the SQL server with mySQL.prefPane tool installed in System Preference, I want to know the instruction to start from command-line.
I do as follow:
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Detect if value is number in MySQL
Is there a way to detect if a value is a number in a MySQL query? Such as
15 Answers
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How to extract year and month from date in PostgreSQL without using to_char() function?
I want to select sql:
SELECT "year-month" from table group by "year-month" AND order by date , where
year-month - format for date "1978-01","1923-12".
select to_char of couse work , but not "right" order:
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Changing all files' extensions in a folder with one command on Windows
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In my case I had a directory with 800+ files ending with .StoredProcedure.sql (they were scripted with SSMS).
The solutions posted above didn't work. But I came up with this:
(Based on answers to batch programming - get relative path of file)
@echo off
setlocal enabledelayedexpansion
for %%f in ...
Convert a date format in PHP
... am trying to convert a date from yyyy-mm-dd to dd-mm-yyyy (but not in SQL); however I don't know how the date function requires a timestamp, and I can't get a timestamp from this string.
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Why can't I reference System.ComponentModel.DataAnnotations?
...the data members that will hold the data from columns I retrieve from each SQL Server table row. I'll try adding it manually as a reference.
– MiddleAgedMutantNinjaProgrammer
Oct 13 '16 at 15:15
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Get names of all keys in the collection
...malized (ex. origen from CSV file), it is useful... For data imported from SQL is useful.
– Peter Krauss
Sep 22 '15 at 10:17
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Meaning of tilde in Linux bash (not home directory)
...retrieve the information using any source desired, such as NIS, LDAP or an SQL database.
Tilde expansion is more than home directory lookup. Here's a summary:
~ $HOME
~fred (freds home dir)
~+ $PWD (your current working directory)
~- $OLDPWD (y...